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In Vivo Pollen Tube Growth and Evidence of Self-Pollination and Prefloral Anthesis in cv. Macabeo (Vitis vinifera L.)

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In Vivo Pollen Tube Growth and Evidence of Self-Pollination and Prefloral Anthesis in cv. Macabeo (Vitis vinifera L.)

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dc.contributor.author García-Breijo, Francisco-José es_ES
dc.contributor.author Reig Armiñana, José es_ES
dc.contributor.author Garmendia, Alfonso es_ES
dc.contributor.author Cebrián, Nuria es_ES
dc.contributor.author Beltrán, Roberto es_ES
dc.contributor.author Merle Farinós, Hugo Basilio es_ES
dc.date.accessioned 2021-04-09T03:31:26Z
dc.date.available 2021-04-09T03:31:26Z
dc.date.issued 2020-12 es_ES
dc.identifier.uri http://hdl.handle.net/10251/164962
dc.description.abstract [EN] Cultivar Macabeo is one of the most planted white grape varieties of northern Spain. A general agreement supports many Vitis vinifera cultivars possibly being self-fertile, although this seems to be a variety-dependent characteristic. No previous information about the mating system of cv. Macabeo was found. This study aimed to analyze its mating system and to compare the in vivo fertilization process with and without artificial cross-pollination. Two treatments were performed: emasculation and cross-pollination. The seed number was counted, and pollen tube growth was observed by microscopy. The results showed that cv. Macabeo is self-fertile and selfing probably occurs before the flower opens. Pollen was found over the stigma of flowers before capfall and ovule fertilization was observed even in emasculated flowers, which suggests that germination and pollen tube growth happened in a very early flower development stage. Cross-pollination increased the presence of the pollen tubes growing inside flowers but was not necessary for fruit set. Ovule fertilization was very fast as 24 h (h) were enough for pollen tubes to reach the end of stylar canals. es_ES
dc.description.sponsorship This research was supported by the Asociacion Club de Variedades Vegetales Protegidas as part of a project undertaken with the Universitat Politecnica de Valencia (Spain, UPV 20190822), of which H. Merle was the principal researcher. There was no additional external funding received for this study. es_ES
dc.language Inglés es_ES
dc.publisher MDPI AG es_ES
dc.relation.ispartof Agriculture es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Self-pollination es_ES
dc.subject Cleistogamy es_ES
dc.subject Pollen tube es_ES
dc.subject Macabeo es_ES
dc.subject Viura es_ES
dc.subject.classification BOTANICA es_ES
dc.title In Vivo Pollen Tube Growth and Evidence of Self-Pollination and Prefloral Anthesis in cv. Macabeo (Vitis vinifera L.) es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/agriculture10120647 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//20190822/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ecosistemas Agroforestales - Departament d'Ecosistemes Agroforestals es_ES
dc.description.bibliographicCitation García-Breijo, F.; Reig Armiñana, J.; Garmendia, A.; Cebrián, N.; Beltrán, R.; Merle Farinós, HB. (2020). In Vivo Pollen Tube Growth and Evidence of Self-Pollination and Prefloral Anthesis in cv. Macabeo (Vitis vinifera L.). Agriculture. 10(12):1-13. https://doi.org/10.3390/agriculture10120647 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/agriculture10120647 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 13 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 10 es_ES
dc.description.issue 12 es_ES
dc.identifier.eissn 2077-0472 es_ES
dc.relation.pasarela S\423811 es_ES
dc.contributor.funder Universitat Politècnica de València es_ES
dc.contributor.funder Compañía de Variedades Vegetales Protegidas A.I.E es_ES
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